A light aluminum frame housing an amazingly
light and compact engine results in an awesome
The YZ125 is ready to race out of the crate, complete
with an aluminum handlebar, titanium foot pegs, and
A pure motocross machine, the light and nimble
YZ125 is the perfect choice for riders stepping up
from the 85cc class.
Ultra lightweight means nimble handling with
Amazingly compact 124cc reed-valve-inducted two-stroke helps
produce an awesome power-to-weight ratio.
Reed-valve spacer improves acceleration across the
Patented YPVS® power-valve system combines crisp, hard-hitting
bottom-end acceleration with strong midrange and eye-opening
Six-speed, close-ratio transmission optimizes gear ratios for
Digital CDI ignition system delivers precise spark and
monitors engine speed to ensure optimal timing for faster,
stronger response during hard acceleration.
Large-capacity radiator features a 10-row core with four louvers
to deliver maximum cooling efficiency at all performance levels.
Primary kickstarting ensures easy restarts in any gear.
Trick, works-style clutch lever features race-spec barrel adjuster
for on-the-fly adjustability.
YZ250F-style front-brake caliper and wave-style front and
rear discs minimize unsprung weight and provide excellent
A carefully engineered, advanced aluminum frame and swingarm
give the YZ125 the best handling in its class.
Speed-Sensitive System 48mm KYB® fork; damping force is
controlled by piston speed which provides a smoother, more
precise ride with 11.8 inches of travel.
Removable aluminum rear subframe is constructed of
square-section tubing for reduced weight.
Rear, fully adjustable KYB® shock features friction reducing Kashima coating of internals. 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, rebound damping and preload for increased adjustability, all add up to fantastic rear wheel control and a sweet ride.
Tapered rear wheel spacers ease sliding the rear wheel into place
for quicker tire changes.
Premium Dunlop® knobbies offer race-spec traction and wear.
Special-design “gripper” type seat and fuel tank, forward-canted
steering crown and low aluminum handlebar all help create
greater freedom of movement and more comfortable ergonomics
Wide, cleated, folding titanium foot pegs are lightweight and
provide excellent comfort, grip and ground clearance.
Use of light box-head bolts throughout the chassis eases
maintenance while reducing weight for increased performance.
Premium drive chain has gold-colored plates for